Home / 30,915.33-46,374.93-8,730.41

Finding the Fourth Proportional to 30,915.33, 46,374.93 and 8,730.41

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Solution

The fourth proportional to 30,915.33, 46,374.93 and 8,730.41 is: 13,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.33 : 46,374.93 = 8,730.41 : x
  2. Step 2: Convert to fraction form
    30,915.33/46,374.93 = 8,730.41/x
  3. Step 3: Cross multiply
    30,915.33x = 46,374.93 × 8,730.41
  4. Step 4: Simplify right side
    30,915.33x = 404,872,108.97
  5. Step 5: Solve for x
    x = 404,872,108.97/30,915.33
  6. Step 6: Final answer
    x = 13,096.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.